Asphalt ndi wakuda, mawonekedwe owoneka bwino ochokera ku mafuta osalala (petroleums phula) kapena phula la malasha (phula la malasha phula), amagwiritsidwa ntchito kwambiri pa utoto wa phula wa phula.
Kusiyana kwakukulu
Gwero:
Mafuta a Petrolte: Kutsukidwa ku Mafuta Osiyanasiyana, Kuopsa kochepa, njira yabwino pamisewu ndi phula la phula.
Little phula la phula: Kuchokera kwa makala ang'ombe, imakhala ndi ma pah, omwe amagwiritsidwa ntchito mu utoto wa mafakitale a mafakitale.
Katundu:
Petroleleum phula limakhalapo; Phari la malasha phula limapitirira muyeso chifukwa cha utoto wa phula.
Gwiritsani Ntchito:
Utoto wopangidwa mwa phula la petroleum ndi wofala padenga ndi misewu; Veni ya malasha ya malasha amateteza ma piverlines.
Chifukwa chiyani phula la utoto?
Prusphalt penti imagwirizanitsa kukhazikika ndi chitetezo cha UV, yabwino kwambiri pamsewu wapamsewu.
